123487520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59369}}^1$

素因数の和:59397

約数の個数: 48

約数和(自身を含む): 314186040

約数和(自身を除く): 190698520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 59369, 118738, 237476, 296845, 474952, 593690, 771797, 949904, 1187380, 1543594, 1899808, 2374760, 3087188, 3858985, 4749520, 6174376, 7717970, 9499040, 12348752, 15435940, 24697504, 30871880, 61743760, 123487520]

約数ペア:

[(1, 123487520), (2, 61743760), (4, 30871880), (5, 24697504), (8, 15435940), (10, 12348752), (13, 9499040), (16, 7717970), (20, 6174376), (26, 4749520), (32, 3858985), (40, 3087188), (52, 2374760), (65, 1899808), (80, 1543594), (104, 1187380), (130, 949904), (160, 771797), (208, 593690), (260, 474952), (416, 296845), (520, 237476), (1040, 118738), (2080, 59369)]